Sow indoors for surest results April-May, 2.5cm (1") deep into individual pots of compost. Water well and place in a warm position. A temperature of 15-20°C (60-68°F) is ideal. Keep moist. Seedlings usually appear in 7-14 days. Gradually accustom plants to outside conditions (avoid frosts), before planting out 25cm (10") apart, during May-June when frosts are over. Allow 45cm (18") between rows. Or sow outdoors May-July for ease, where they are to crop, 5cm (2") deep, directly into finely-prepared, well-cultivated, fertile soil, which has already been watered. Delay sowing if soil is cold or waterlogged. Sow two seeds together, 30cm (1') between each position. Allow 45cm (18") between rows. Thin to leave stronger plant. Water well until plants are established. Harvest: July-October.